DNA Marker Index information for Chromosome: Y Marker: F4120.2Names and Aliases for this DNA Marker: F4120.2, rs781283845.Chromosome Position in hg38 Human Genome assembly1: 8823339.Chromosome Position in hg19 assembly2: 8691380 .Ancestral marker allele value: C.Derived, alternative, or mutated marker allele value: A.